Answer:
A.
Explanation:
It is not relevant to the rest of the paragraph and is unnecessary detail
Their unique physiological adaptations let the crab harvest large clusters of bacteria that grow on the surfaces of hydrothermal vent chimneys. They spend most of their lives in the water heated by the vents, and the crabs are unable to move between vents due to the stark difference in water temperature.
Answer:
Explanation:
I think the last one is probably the best answer. She had engineering problems and she tried various ways of overcoming them.
A is not a bad choice either because it prepares you for the things she tried to do to overcome her problems.
Choose D. It's a good summary.
I don't know what the original sentences looked like, but I assume the answer is :
C) That ancient land was located in the Middle East, a hot and sunny part of the world.